A Case of Hilar Bile Duct Cancer Occurring 13 Years after Resection of a Congenital Choledochal Cyst

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  • SAKAMOTO Takuya
    Department of Gastroenterological Surgery, Graduated School of Medicine, Osaka University
  • TOMIMARU Yoshito
    Department of Gastroenterological Surgery, Graduated School of Medicine, Osaka University
  • KOBAYASHI Shogo
    Department of Gastroenterological Surgery, Graduated School of Medicine, Osaka University
  • DOKI Yuichiro
    Department of Gastroenterological Surgery, Graduated School of Medicine, Osaka University
  • MORI Masaki
    Department of Gastroenterological Surgery, Graduated School of Medicine, Osaka University
  • NAGANO Hiroaki
    Department of Gastroenterological Surgery, Graduated School of Medicine, Osaka University

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Other Title
  • 先天性胆道拡張症術後13年目に発生した肝門部胆管癌の1例
  • 症例 先天性胆道拡張症術後13年目に発生した肝門部胆管癌の1例
  • ショウレイ センテンセイタンドウ カクチョウショウ ジュツゴ 13ネンメ ニ ハッセイ シタ カンモンブタンカン ガン ノ 1レイ

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Abstract

A 64-year-old woman underwent resection of a congenital choledochal cyst and flow-diversion surgery 13 years earlier, and the pathological diagnosis showed no evidence of malignancy. Following the primary surgery, a yearly routine CT scan showed a mass located at a hilar bile duct, which was diagnosed as hilar bile duct cancer. Right hepatectomy and reconstruction of the bile duct were performed, and R0 resection was achieved. The resected tumor was pathologically diagnosed as papillary adenocarcinoma of the hilar bile duct. Currently, 6 months after the second surgery, the patient is doing well without any signs of recurrence. The current case suggests the necessity of long-term postoperative observation after flow-diversion surgery for congenital choledochal cyst.

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